SN/T 3810-2014 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 3810-2014: Determination of nitrogen content in urea and ammonium sulphate - X-ray fluorescence spectrometry Status: Valid
Basic dataStandard ID: SN/T 3810-2014 (SN/T3810-2014)Description (Translated English): Determination of nitrogen content in urea and ammonium sulphate - X-ray fluorescence spectrometry Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: G20 Classification of International Standard: 65.080 Word Count Estimation: 8,810 Quoted Standard: JJG 810; SN/T 0736.2 Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine Issuing agency(ies): General Administration of Customs Summary: This Standard specifies the method for the determination of urea and ammonium nitrogen content by wavelength dispersive X-ray fluorescence spectrometer. This Standard applies to the determination of urea and ammonium nitrogen content. SN/T 3810-2014: Determination of nitrogen content in urea and ammonium sulphate - X-ray fluorescence spectrometry---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. (Urea and ammonium nitrogen content determination -X -ray fluorescence spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of nitrogen content urea and ammonium sulfate X-ray fluorescence spectrometry Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Manzhouli Exit Inspection and Quarantine. Drafters of this standard. Tashiro, Liu Wei, Song Jing, Xiao Jianguang, Meng Bin, Sun Yanhong. Determination of nitrogen content urea and ammonium sulfate X-ray fluorescence spectrometry1 ScopeThis standard specifies the method for the determination of urea and ammonium nitrogen content by wavelength dispersive X-ray fluorescence spectrometer. This standard applies to the determination of urea and ammonium nitrogen content. Measurement range (mass fraction) are shown in Table 1. Table 1 measurement range of urea and ammonium nitrogen content Sample type Measurement range (mass fraction) /% Urea 45.48 ~ 46.65 Ammonium sulfate 20.14 ~ 21.202 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. JJG810 wavelength dispersive X-ray fluorescence spectrometer SN/T 0736.2 Determination of fertilizers imported moisture test method3 Method SummaryPressed powder samples were prepared using. Samples NKα measuring the fluorescence intensity of the X-ray spectrum, the calibration curve obtained by the nitrogen content.4 ReagentsUnless otherwise indicated in the analysis using only recognized as analytical reagents. 4.1 urea, high purity reagents or standard material. At (50 ± 2) ℃, vacuum degree of 480mm ~ 530mm Hg vacuum oven dry Dry 2h, then cooled in a desiccator. 4.2 ammonium sulfate, high-purity reagents or standard material. At (105 ± 2) ℃ drying 2h, then cooled in a desiccator. 4.3 stearic acid.5 Instruments5.1 wavelength dispersive X-ray fluorescence spectrometer, compliance JJG810, the nitrogen element can be measured. 5.2 tableting machine, at least to maintain the pressure 10t. 5.3 cutting mill with a pore size of 0.5mm, 0.2mm sieve, maximum speed of not less than 15000r/min. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 3810-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 3810-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of SN/T 3810-2014_English with my colleagues?Answer: Yes. 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